GB/T 8437-1998 is a test standard for the colour fastness of Spinning & weaving products to sulfur fumigation. The standard specifies the method for testing the colour fastness of Spinning & weaving products in a sulfur fumigation environment, covering test equipment, generation and control of sulfur fumigation gas, and treatment steps of Spinning & weaving products in the sulfur fumigation process, such as contact time, Environmental temperature, etc. At the same time, detailed results evaluation criteria are developed. According to this standard test, the Color Stability of Spinning & weaving products after sulfur fumigation can be accurately judged, which provides a key basis for Spinning & weaving enterprises to control product mass, evaluate product applicability in special environments, and help ensure product quality.